Check all column name in the tables - sql

Question

Good day!
The database has a table that you want to archive. A copy of the table, with the addition of the prefix name "ARCH_".
e.g. Table: BALANCE. Archiving table: ARCH_BALANCE.
I need to write a query to check: that in the tables "ARCH_%" present all fields of the base tables. *also have a database table that are not archived.
I wrote the following query:
select distinct COLUMN_NAME, TABLE_NAME
from ALL_TAB_COLUMNS res
where TABLE_NAME in(
SELECT TABLE_NAME
FROM all_tables core_t
where TABLE_NAME not like 'ARCH_%' AND
EXISTS (
SELECT TABLE_NAME
FROM all_tables hist_t
WHERE hist_t.TABLE_NAME = concat('ARCH_', core_t.TABLE_NAME)
)
) and COLUMN_NAME NOT IN (
select COLUMN_NAME
from ALL_TAB_COLUMNS
where TABLE_NAME = concat('ARCH_', res.TABLE_NAME)
);
Parts of the code works, but generally runs indefinitely.
Perhaps there is somebody other ideas.

Answer 1

This query joins both tables and columns and displays which fields they have in common and if there is one missing, it shows it in the fourth column:
select orig.column_name
, arch.column_name
, case
when orig.column_name is null
then 'column doesn''t exist in orig'
when arch.column_name is null
then 'column doesn''t exist in arch'
else 'exists in both'
end
status
from ( select table_name
, column_name
from all_tab_columns
where table_name = 'X'
)
orig
full
outer
join ( select table_name
, column_name
from all_tab_columns
where table_name = 'ARCH_X'
)
arch
on orig.column_name = arch.column_name

Answer 2

The problem can be in that part of query:
SELECT TABLE_NAME
FROM all_tables core_t
where TABLE_NAME not like 'ARCH_%' AND
EXISTS (
SELECT TABLE_NAME
FROM all_tables hist_t
WHERE hist_t.TABLE_NAME = concat('ARCH_', core_t.TABLE_NAME)
)
You are trying to fetch records that match 2 condidtion in the same time:
1) TABLE_NAME not like 'ARCH_%'
2) TABLE_NAME = concat ('ARCH_',TABLE_NAME)
Those are two conditions that stays in opposite sides.
Also you could fix prefixes for column names (TABLE_NAME can be from ALL_TAB_COLUMNS table or ALL_TABLES).